Sure there’s a way. https://www.youtube.com/watch?v=Fx3oMWir... …except he should have (1) grounded himself, (2) disconnected the battery and discharged the capacitors before removing the RAM. (And, just to be complete, re-connected the battery after the install). You will need a bigger nvme m.2 ssd (you didn’t state what size you have), like this https://www.amazon.ca/dp/B07M7Q21N7/ or this https://www.newegg.ca/crucial-1tb/p/N82E16820156247 You would also want to clone your existing system to an external USB-connected drive before beginning. I have an m.2 adapter that I use, to clone directly to the new nvme ssd (see below), but you can economize with an external USB enclosure and an old, larger spin drive, that you would then use to clone back to the new drive. If you only use MS Windows, you can use https://www.easeus.com/backup-software/tb-free.html to make the cloned image. If you want more flexibility, try clonezilla, but it requires an additional boot medium (like a usb stick) and has a learning...
Mine has a cable running to a header on the mainboard (header is visible in the photos, but unused. 20 mm from the edge of the battery, near the cooling fan). Battery also has all sorts of lenovo regulatory information on it (CE, etc) FRU numbers. I suspect you have a “dummy” that is not a real battery, but a placeholder. I say this have another refurbished T470 with a black plastic frame + metal plate held to the plastic with plastic rivets, where the battery should be. Definitely not a real battery. And I opened this up because windows was reporting that Battery 1 needed to be replaced… So if I figure out how to post a photo, I’ll do that (once I figure out how to remove the connector without damaging it. Need a magnifying glass, or the Lenovo FRU manual.
how was the internal battery connected?
Mine has a cable running to a header on the mainboard (header is visible in the photos, but unused. 20 mm from the edge of the battery, near the cooling fan). Battery also has all sorts of lenovo regulatory information on it (CE, etc) FRU numbers. I suspect you have a “dummy” that is not a real battery, but a placeholder. I say this have another refurbished T470 with a black plastic frame + metal plate held to the plastic with plastic rivets, where the battery should be. Definitely not a real battery. And I opened this up because windows was reporting that Battery 1 needed to be replaced… So if I figure out how to post a photo, I’ll do that (once I figure out how to remove the connector without damaging it. Need a magnifying glass, or the Lenovo FRU manual.